Respostas

2014-05-05T17:02:05-03:00
9+x=9x
x-9x= -9
-8x=-9.(-1)
8x = 9
x = 9
      8
  • Usuário do Brainly
2014-05-05T17:41:43-03:00
 9 + x =9x
resolveremos isolando x.
 9 + x = 9x
x -9x =-9
-8x = -9  (-1)
8x = 9
x = 9/8